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feat(dock): the TRAX bay — track, play/pause, level, duck badge

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Unit 7. The bay shows the track name (left-click toggles playback, right-click opens the picker —
the label stays the control), a play/pause button, the duck badge, and a dB level.

No ladder here, deliberately: nothing measures the music bed, and a decorative ladder would break
the measured-not-painted rule. A test asserts the bay has no SegmentMeter.

The level is real: `ITraxPlayer.UserGain` is a new creator gain multiplied onto the fixed design
volume, separate from `LocalGain` (which follows the desktop mute). The VM's `TraxVolumeDb` is the
same dB scale as the other faders, so unity means the bed's design level.
This commit is contained in:
gramps
2026-10-30 13:15:17 -07:00
parent a1d8e761ea
commit 7339df5fcd
7 changed files with 154 additions and 5 deletions
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Controls/AudioDock.xaml
+54 -4
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@@ -114,10 +114,60 @@
</Grid>
</Border>
<Border Grid.Column="2" Background="{StaticResource Brush.SurfaceContainerLow}" CornerRadius="{StaticResource Radius.Sm}" Margin="4,0" Padding="10,6">
<StackPanel>
<TextBlock Text="TRAX" FontSize="10" FontWeight="SemiBold" Foreground="{StaticResource Brush.OnSurfaceVariant}"/>
<TextBlock x:Name="TraxBayBody" Text="—" FontSize="11" Foreground="{StaticResource Brush.OnSurfaceDisabled}"/>
</StackPanel>
<Grid>
<Grid.RowDefinitions>
<RowDefinition Height="Auto"/>
<RowDefinition Height="*"/>
</Grid.RowDefinitions>
<Grid Grid.Row="0">
<Grid.ColumnDefinitions>
<ColumnDefinition Width="Auto"/>
<ColumnDefinition Width="*"/>
<ColumnDefinition Width="Auto"/>
<ColumnDefinition Width="Auto"/>
</Grid.ColumnDefinitions>
<Border Background="{StaticResource Brush.SurfaceContainerHighest}" CornerRadius="{StaticResource Radius.Sm}" Padding="5,1">
<TextBlock Text="TRAX" FontSize="9" FontWeight="Bold" Foreground="{StaticResource Brush.OnSurfaceVariant}"/>
</Border>
<!-- The name is the control: left-click toggles play, right-click picks (§TRAX). -->
<TextBlock Grid.Column="1" Margin="6,0,0,0" FontSize="11" VerticalAlignment="Center"
TextTrimming="CharacterEllipsis" Foreground="{StaticResource Brush.OnSurface}"
Text="{Binding TraxTrackLabel}"
MouseLeftButtonUp="TraxLabel_MouseLeftButtonUp"
MouseRightButtonUp="TraxLabel_MouseRightButtonUp" Cursor="Hand"/>
<Button Grid.Column="2" Width="22" Height="18" Style="{StaticResource YtButtonSecondary}" Padding="0"
Margin="4,0,0,0" Click="TraxPlayPause_Click" ToolTip="{Binding TraxToolTip}">
<TextBlock FontSize="10" Foreground="{StaticResource Brush.OnSurface}">
<TextBlock.Style>
<Style TargetType="TextBlock">
<Setter Property="Text" Value="▶"/>
<Style.Triggers>
<DataTrigger Binding="{Binding IsMusicPlaying}" Value="True">
<Setter Property="Text" Value="❚❚"/>
</DataTrigger>
</Style.Triggers>
</Style>
</TextBlock.Style>
</TextBlock>
</Button>
<Border Grid.Column="3" Margin="4,0,0,0" Background="{StaticResource Brush.SurfaceContainerHighest}"
CornerRadius="{StaticResource Radius.Sm}" Padding="5,1"
Visibility="{Binding IsTraxDucking, Converter={StaticResource BoolToVis}}">
<TextBlock FontSize="9" FontWeight="Bold" FontFamily="{StaticResource FontFamily.Mono}"
Foreground="{StaticResource Brush.Secondary}" Text="DUCK"/>
</Border>
</Grid>
<DockPanel Grid.Row="1" Margin="0,6,0,0" VerticalAlignment="Bottom">
<TextBlock DockPanel.Dock="Right" Width="56" TextAlignment="Right" FontSize="10"
FontFamily="{StaticResource FontFamily.Mono}" VerticalAlignment="Center"
Foreground="{StaticResource Brush.OnSurfaceVariant}"
Text="{Binding TraxVolumeDbLabel}"/>
<Slider Minimum="-60" Maximum="6" SmallChange="0.5" LargeChange="3"
Value="{Binding TraxVolumeDb, Mode=TwoWay}" VerticalAlignment="Center"/>
</DockPanel>
</Grid>
</Border>
<Border Grid.Column="3" Background="{StaticResource Brush.SurfaceContainerLow}" CornerRadius="{StaticResource Radius.Sm}" Margin="4,0,0,0" Padding="10,6">
<StackPanel>